MESON Chess Problem Database

Problem Display
PID: 274577 (3kr3/1KbBq1R1/5B2/4N3/2N5/8/2R5/8 w - - 0 1)

Gheran, Nicoale

Buletin Problemistic, 1976

3kr3/1KbBq1R1/5B2/4N3/2N5/8/2R5/8

#2

7 + 4

15601 Albrecht-Leiss-Degener Collection 2024

SOLUTION

  • SOUND
  • Sets
    • 1...Rf8
      • 2.Bxe7#
    • 1...Rg8
      • 2.Bxe7#
      • 2.Rxg8#
    • 1...Rh8
      • 2.Bxe7#
  • Tries
    • 1.Sb6?
      • threat
        • 2.Sc6#
        • 2.Sf7#
      • 1...Bxe5
        • 2.Rc8#
      • 1...Bxb6
        • 2.Rc8#
      • 1...Rf8
        • 2.Sc6#
        • 2.Bxe7#
      • 1...Qxf6!
  • Keys
    • 1.Sd6!
      • threat
        • 2.Sdf7#
      • 1...Qxf6
        • 2.Sc6#
      • 1...Bxd6
        • 2.Rc8#
      • 1...Rf8
        • 2.Bxe7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • R(d);N_GUARD::B(D),XQ(b)
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(2)
      • Vars
        • B(a);OGATE,P_PINB(F),XS(C)::R1(A)
        • B(a);OGATE,P_PINB(F),XS(B)::R1(A)
      • Refutation
        • Q(b);N_SPINQ(b),XB(D)
  • Actual
    • S(B);
    • Threat
      • S(B)
    • Vars
      • Q(b);N_SPINQ(b),XB(D)::S(C)
      • B(a);OGATE,P_PINB(F),XS(B)::R1(A)
      • R(d);N_GUARD::B(D),XQ(b)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).